Home / 148,285.66-204,634.30-80,303.16

Finding the Fourth Proportional to 148,285.66, 204,634.30 and 80,303.16

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Solution

The fourth proportional to 148,285.66, 204,634.30 and 80,303.16 is: 110,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,285.66 : 204,634.30 = 80,303.16 : x
  2. Step 2: Convert to fraction form
    148,285.66/204,634.30 = 80,303.16/x
  3. Step 3: Cross multiply
    148,285.66x = 204,634.30 × 80,303.16
  4. Step 4: Simplify right side
    148,285.66x = 16,432,780,934.39
  5. Step 5: Solve for x
    x = 16,432,780,934.39/148,285.66
  6. Step 6: Final answer
    x = 110,818.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.